ignition curves for turbo engines
08-10-2015, 03:19 PM
#21
you are not running any kind of intercoolers right ? without those I still would lock dist and run 34 and pull back to about 26 under boost, or if not boost retard try 26-28 locked. We run a blowthru set up with intercooler and are at 34 locked, no retard, but without intercoolers or E85 ???
08-11-2015, 06:45 AM
#22
Platinum Member
Platinum MemberThread Starter
you are not running any kind of intercoolers right ? without those I still would lock dist and run 34 and pull back to about 26 under boost, or if not boost retard try 26-28 locked. We run a blowthru set up with intercooler and are at 34 locked, no retard, but without intercoolers or E85 ???
08-13-2015, 11:56 AM
#23
Take it from me (the previous owner that put all that stuff on) you need more initial advance. I agree with GPM. You're going to need initial of 14 I bet because of the poor volumetric efficiency at low rpm. Bump it 2 degrees at a time until you get your good starts then set your total advance accordingly with our bushings.
08-13-2015, 12:04 PM
#24
Platinum Member
Platinum MemberThread Starter
Take it from me (the previous owner that put all that stuff on) you need more initial advance. I agree with GPM. You're going to need initial of 14 I bet because of the poor volumetric efficiency at low rpm. Bump it 2 degrees at a time until you get your good starts then set your total advance accordingly with our bushings.
08-13-2015, 05:57 PM
#25
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Carson's the man!!!
08-20-2015, 10:03 PM
#26
Platinum Member
Platinum MemberThread Starter
Talked to Carson. He said lock it at 30 degrees. My starters have no problem spinning the engine because I have such low compression. The engine starts better now and idles cleaner too,
08-21-2015, 11:08 AM
#28
I figured as much.
You know, going from number 2 Speedmasters to TRS's (1.33 to 1.5) means you just gained 600RPM so I bet at the end of the day those 21 clevers will be history and you'll have 25's Mirage or Hydromotives on that Scarab.
You know, going from number 2 Speedmasters to TRS's (1.33 to 1.5) means you just gained 600RPM so I bet at the end of the day those 21 clevers will be history and you'll have 25's Mirage or Hydromotives on that Scarab.
